Outdoor water heater



FIG. 1 is a perspective view of an outdoor water heater showing our newdesign;

FIG. 2 is front elevational view thereof;

FIG. 3 is rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof.

The ornamental design for an outdoor water heater, as shown anddescribed.